<!-- 商品管理->商品列表 -->
<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索栏 -->
      <el-row :gutter='20'>
        <el-col :span='8'>
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type='primary' @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 主体表格 -->
      <el-table :data="goodsList" stripe border style=" width: 100%">
        <el-table-column type='index'></el-table-column>
        <el-table-column prop="goods_name" label="商品名称" width="600px">
        </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量">
        </el-table-column>
        <!-- 时间模块 -->
        <el-table-column prop="add_time" label="创建时间" width="180px">
          <template slot-scope='scope'>
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <!-- 操作模块 -->
        <el-table-column label="操作" width="200px">
          <template slot-scope='scope'>
            <el-button type="primary" icon="el-icon-edit" size='mini'>编辑</el-button>
            <el-button type="danger" icon="el-icon-delete" size='mini'
              @click="removeGoodsById(scope.row.goods_id,scope.row.goods_name)">删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页模块 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        // 查询数据对象
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        // 获取到的商品列表数据
        goodsList: [],
        // 总数据条数
        total: 0
      };
    },
    created() {
      this.getGoodsList()
    },

    components: {},

    computed: {},

    // mounted: {},

    methods: {
      //获取商品列表
      async getGoodsList() {
        const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
        if (res.meta.status == !200) return this.$message.error('获取商品信息失败')
        // this.$message.success('获取商品信息成功')
        this.goodsList = res.data.goods
        this.total = res.data.total
      },
      // 分页大小改变触发事件
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      // 页码值改变触发事件
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      // 点击删除商品
      async removeGoodsById(id, name) {
        const confirmResult = await this.$confirm('此操作将永久删除商品：“' + name + '”，是否继续?', 'Warning', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        // 如果用户确认删除，则返回值为字符串 confirm
        // 如果用户取消删除，则返回值为字符串 cancel
        if (confirmResult !== 'confirm') return
        const { data: res } = await this.$http.delete('goods/' + id)
        if (res.meta.status !== 200) return this.$message.error('删除失败！')
        this.$message.success('删除成功！')
        this.getGoodsList()
      },
      // 
      goAddpage() {
        this.$router.push('/goods/Add')
      },
    }
  }

</script>
<style lang='less' scoped>
</style>